Question

Refer to Exercise 6.46. The researchers also examined the effect of depth on population abundance.
In exercise
a. Plot the four data sets using side-by-side boxplots to demonstrate the effect of depth on population abundance.
b. Separately for each depth, evaluate differences between the sites within and outside the oil trajectory. Use α = .05.
c. Are your conclusions at 40 m consistent with your conclusions at 100 m?


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  • CreatedNovember 21, 2015
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